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Finding the Fourth Proportional to 11,238, 16,857 and 3,030

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Solution

The fourth proportional to 11,238, 16,857 and 3,030 is: 4,545

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238 : 16,857 = 3,030 : x
  2. Step 2: Convert to fraction form
    11,238/16,857 = 3,030/x
  3. Step 3: Cross multiply
    11,238x = 16,857 × 3,030
  4. Step 4: Simplify right side
    11,238x = 51,076,710
  5. Step 5: Solve for x
    x = 51,076,710/11,238
  6. Step 6: Final answer
    x = 4,545

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.